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Question
Classify the following change as physical or chemical:
Crystallization of sugar from its saturated solution.
Classify the following change as physical or chemical:
Crystallization of sugar from its saturated solution.
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Solution
Physical change:
- A physical change is a change in which no new substance is formed.
- A physical change is temporary and reversible.
- In physical change the chemical composition of the original substance is not altered.
- For example, drying of wet clothes, breaking of a glass tumbler, drying paints, crystallization of sugar from its saturated solution, etc.
- During the crystallization of sugar from its saturated solution no new substance is formed.
Therefore, the crystallization of sugar from its saturated solution is a physical change.
Physical change:
- A physical change is a change in which no new substance is formed.
- A physical change is temporary and reversible.
- In physical change the chemical composition of the original substance is not altered.
- For example, drying of wet clothes, breaking of a glass tumbler, drying paints, crystallization of sugar from its saturated solution, etc.
- During the crystallization of sugar from its saturated solution no new substance is formed.
Therefore, the crystallization of sugar from its saturated solution is a physical change.
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